123900112

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{15581}}^1$

素因数の和:15667

約数の個数: 40

約数和(自身を含む): 278232192

約数和(自身を除く): 154332080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 15581, 31162, 62324, 109067, 124648, 218134, 249296, 436268, 872536, 1106251, 1745072, 2212502, 4425004, 7743757, 8850008, 15487514, 17700016, 30975028, 61950056, 123900112]

約数ペア:

[(1, 123900112), (2, 61950056), (4, 30975028), (7, 17700016), (8, 15487514), (14, 8850008), (16, 7743757), (28, 4425004), (56, 2212502), (71, 1745072), (112, 1106251), (142, 872536), (284, 436268), (497, 249296), (568, 218134), (994, 124648), (1136, 109067), (1988, 62324), (3976, 31162), (7952, 15581)]